ENiCu–7
AWS/ASME SFA – 5.11:EL–NiCu30Mn
DIN 1736 :Application/properties:
Basic electrode for joining and surfacing of nickel-copper alloys and of nickel-copper-clad steels. It is also used for joining different materials, such as steel to copper and copper alloys, steel to nickel-copper alloys. Excellent corrosion resistance to chloride induced stress corrosion cracking and a wide range of marine and chemical requirements. These materials are employed in high-grade apparatus construction, primarily for the chemical and petrochemical industries. A special application field is the fabrication of seawater evaporation plants and marine equipment.
| C | Mn | Si | Ti | Fe | Cu | Ni |
|---|---|---|---|---|---|---|
| 0.04 | 3.5 | 0.7 | 0.6 | 2.3 | rest | 65 |
(single values are typical values)
| Tensile Strength ( N/mm 2 ) | Yield Strength ( N/mm 2 ) | Elongation A5 (%) | Impact energy(j) ISO - V 20°C+ |
|---|---|---|---|
| >480 | > 300 | > 30 | 100 |
| Welding Parameters | ||
|---|---|---|
| Diameter (mm) | Length (mm) | Amperage (A) |
| 2.5 | 250 | 60 – 80 |
| 3.25 | 300-350 | 90 – 120 |
| 4.0 | 350 | 110 – 150 |
| 5.0 | 350 | 140 – 200 |
| DIN Standard | NiCu30Fe (2.4360), NiCu30Al (2.4375) |
| other Standard | Alloy 400, ASTM B 127, B 165 |
required at 300°C for 2 hours.
